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  #1  
Old 03-09-2010, 11:20 PM
Built Ford Tough Built Ford Tough is offline
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Default Metal screeching at HIGH rpms?

First time I heard this I was haulin balls back down from the mountains bringing my buddy to the hospital, and it just sounds like metal grinding, I think it was the engine, and I'm not really sure what it means lol? I heard it the other day again unconciously dropping the clutch after gettingl ike 3 days of sleep, my carpooler to school told me it sounds like a piston rubbing but idk?
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Danger Ranger: 389k Miles, and Being primed for a 5.0
1998 Ranger Splash, 134k Miles 2.5l 4banger - SOLD
Next Ranger Build: Supercharged Propane Injected 4bt 6 speed 4x4 ranger SAS
Current Rig: 91 d250 Single Cab Flatbed 6bt 5 Speed 4x4 Soon to have 100 horse ddp injectors and stage 2 fuel pin with 36" Miter cut 7" diameter sidepipe
Next Toy: 1994 f250 with built 429 fresh zf5 4x4 full exhaust and intake (carb)
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  #2  
Old 03-10-2010, 03:39 AM
01_ranger_4x4 01_ranger_4x4 is offline
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Default Re: Metal screeching at HIGH rpms?

what motor do you have?
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2005 F-150 Lariat 4x4
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  #3  
Old 03-10-2010, 02:35 PM
Built Ford Tough Built Ford Tough is offline
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Default Re: Metal screeching at HIGH rpms?

The 4.0l
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Danger Ranger: 389k Miles, and Being primed for a 5.0
1998 Ranger Splash, 134k Miles 2.5l 4banger - SOLD
Next Ranger Build: Supercharged Propane Injected 4bt 6 speed 4x4 ranger SAS
Current Rig: 91 d250 Single Cab Flatbed 6bt 5 Speed 4x4 Soon to have 100 horse ddp injectors and stage 2 fuel pin with 36" Miter cut 7" diameter sidepipe
Next Toy: 1994 f250 with built 429 fresh zf5 4x4 full exhaust and intake (carb)
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  #4  
Old 03-10-2010, 03:04 PM
Jp7 Jp7 is offline
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Default Re: Metal screeching at HIGH rpms?

Detonation from preignition sounds like metal screetching.
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  #5  
Old 03-11-2010, 12:21 AM
Built Ford Tough Built Ford Tough is offline
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Default Re: Metal screeching at HIGH rpms?

Really... Huh lol I just did my spark plugs too
__________________
Danger Ranger: 389k Miles, and Being primed for a 5.0
1998 Ranger Splash, 134k Miles 2.5l 4banger - SOLD
Next Ranger Build: Supercharged Propane Injected 4bt 6 speed 4x4 ranger SAS
Current Rig: 91 d250 Single Cab Flatbed 6bt 5 Speed 4x4 Soon to have 100 horse ddp injectors and stage 2 fuel pin with 36" Miter cut 7" diameter sidepipe
Next Toy: 1994 f250 with built 429 fresh zf5 4x4 full exhaust and intake (carb)
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